皮皮学，免费搜题
登录
搜题
【判断题】
E-mai1邮件每次只能发给一个用户,不能同时发给多个用户。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】未开封的胰岛素应在什么温度下保存() A、-20℃～-2℃ B、-2℃～2℃ C、2℃～10℃ D、10℃～20℃ E、20℃～30℃
【简答题】汽车汽油发动机主要有两大机构五大系统组成,请分别写出两大机构和五大系统:()机构,()机构,()系统,()系统,()系统,()系统,()系统。
【单选题】听力原文：M: Do you want your television repaired? W: Yes, but not by the place you recommended. M: Why not? The repairmen are very good and the charges are so reasonable. W: That may be, but I couldn't fi...
A.
It needed fixing.
B.
It got lost.
C.
It couldn't receive any program.
D.
Its images were not clear.
【简答题】No w you can't turn on the light and radio.
【简答题】近地气层空气中二氧化碳的浓度一般白天比晚上 ,夏天比冬天 。
【多选题】内标法相比外标法,引入内标物的优势()
A.
可以消除因仪器性能不稳定产生的误差
B.
可以消除对照品和供试品进样体积不准确而产生的误差
C.
可以消除对照品和供试品在样品处理过程中不能平行操作所引起的误差
D.
可以解决被测组分响应值偏低的问题
【单选题】听力原文：W: Excuse me. but I think you made a wrong turn. You are supposed to turn left on Rosen Boulevard. M: Oh. I'm sorry. Didn't you say 1323 Willson? W: No, 3023. It's OK though. You don't have to ta...
A.
A passer-by and a policeman.
B.
A passer-by and a driver.
C.
A passenger and a taxi-driver.
【单选题】听力原文：M: Do you want your television repaired? W: Yes, but not by the place you recommended. M: Why not? The repairmen are very good and the charges are so reasonable. W: That may be, but I couldn't fi...
A.
It needed fixing.
B.
It got lost.
C.
It couldn't receive any program.
D.
Its images were not clear.
相关题目：